Broken custom GTK4 theme does not properly apply since v44.1
Ever since i updated to latest file-roller v44.1, the system theme stopped applying to it for some reason, instead resulting in the default white theme. File-roller prints out these messages in the terminal.
(file-roller:20802): Gtk-WARNING **: 03:12:02.175: Theme parser error: gtk.css:7814:21-28: Expected a valid color.
(file-roller:20802): Gtk-WARNING **: 03:12:02.175: Theme parser error: gtk.css:7819:21-28: Expected a valid color.
(file-roller:20802): Gtk-WARNING **: 03:12:02.175: Theme parser error: gtk.css:7837:21-28: Expected a valid color.
(file-roller:20802): Gtk-WARNING **: 03:12:02.175: Theme parser error: gtk.css:7843:21-28: Expected a valid color.